Mangetsu, who has become uncertain of her own existence, runs into Kuon's older sister, Shisui. As she talks with Shisui, Mangetsu feels moved to send a message to Shingetsu. Meanwhile, Shingetsu is convinced that Mangetsu is suffering because of the wish she made, and her guilt brings her to tears. As she's talking with Mangetsu, she becomes unable to bear it any longer and runs from the house...
you could probably save her 
once you became the Princeps—
فربما تستطيعين إنقاذها
—حين تصبحين برينسيبس
podrías salvarla
cuando fueras la Princeps y…
podrías salvarla
cuando fueras la Princeps y…
Je lui ai dit que si elle t’en parlait,
tu la sauverais comme ça.
probabilmente avresti potuto salvarla
dopo essere diventata la maga Princeps—
Falei pra ela te dizer que,
se você se tornar a Princeps...
что ты, вероятно, сможешь спасти её, 
став магом-Принцепсом...